Speakers

Nathan helps clients navigate transaction, development, regulatory compliance, and cleanup obligations. His technical expertise includes site assessment, compliance evaluations, NPDES permitting, source control assessments, and remediation applying a wide array of media characterization under state lead (MTCA/SMS) and CERCLA programs. He has also supported numerous clients responding to enforcement actions or litigation matters, including negotiation of compliance penalties and corrective action requirements under the Clean Water Act. Nathan and his team help identify best management practices and cost effective solutions necessary required to achieve client goals.

Stacy Patterson has 30 years of diverse environmental consulting experience that includes regulatory support for industrial stormwater permitting and compliance management; industrial wastewater permitting and compliance; and spill prevention, control, and response. She has experience conducting environmental assessments and works closely with the client to meet regulatory requirements. Stacy has supported many clients through third-party lawsuits associated with the Industrial Stormwater General Permit and the Sand and Gravel Permit.

Brianna Blaud is a fisheries biologist with 16 years of experience in coastal and fluvial ecological studies, instream habitat characterization, fish and marine mammal identification and population assessment, and habitat impact assessment. Her wide range of experience working in Pacific Northwest streams, rivers, and marine environment includes conducting stream and snorkel surveys, preparing restoration design and evaluating design alternatives, and providing construction management and overseeing project mitigation monitoring. Her previous work with endangered and threatened species at the National Marine Fisheries Service (NMFS) also provides valuable insight in the existing and emerging issues that affect ESA-listed fish and marine mammals.

Rebecca Dugopolski is a principal engineer with Herrera with over 20 years of experience specializing in water quality, municipal and industrial NPDES permit requirements, and training. She received her Bachelor’s degree in Environmental Engineering from Michigan Technological University and her Master’s degree in Civil and Environmental Engineering from the University of Washington. Ms. Dugopolski has helped over 100 Phase I and Phase II jurisdictions in Eastern and Western Washington comply with the municipal NPDES permit requirements and personally trained over 5,000 municipal and business staff.

Brooke Harmon is a senior engineer at Maul Foster & Alongi with over 10 years of experience in stormwater management, remediation, industrial wastewater treatment, and air modeling. While her interests are varied, stormwater has become a focal point in her expertise. She assists clients with all aspects of stormwater management; permit compliance, active and passive system design, and all the way through construction.

Anna is an environmental engineer with over ten years of consulting experience focused on stormwater management, spill prevention, waste management, and regulatory compliance. She has supported a wide range of projects including compliance audits, feasibility studies, spill prevention plans, stormwater pollution prevention plans, and hazardous waste management. Anna has worked with clients from large manufacturing facilities to small residential properties, helping them maintain compliance and implement best practices to protect land and waterways.

A graduate of Western Washington University with a B.S. in Environmental Science, Selene Convy has 11 years of experience in the environmental field. Prior to joining Pacific Stormwater, she performed ecological restoration projects throughout Washington State and worked in a certified environmental analytical laboratory. She has now been with Pacific Stormwater for five years and provides field management and permit compliance services to industrial facilities and construction sites in Washington and Oregon. When she’s not sampling dirty water, Selene likes to hike the wilderness, practice archery, and roller skate like it’s the 1970’s.

Spencer represents businesses and municipalities in regulatory and litigation matters at complex contaminated sites, including disputes over cleanup liability under CERCLA and MTCA and claims for natural resource damages. He also advises clients on issues related to due diligence and redevelopment of contaminated sites and compliance with various environmental regulatory regimes.

Joe Kalmar is a chemical engineer with 30 years of experience in environmental engineering and consulting and has worked with clients, both large and small, on stormwater permit compliance, advanced stormwater treatment systems, and low-cost media filtration systems. One of Joe’s stormwater treatment projects received the Engineering Excellence Best in State Gold Award from ACEC in the category of Originality and Innovation, and Joe enjoys finding the most cost-effective solutions for the unique challenges of each facility.

Liisa Doty is a Certified Professional in Stormwater Quality and Erosion & Sediment Control (CPSWQ/CPESC) with over 20 years of experience in the regulatory and water quality arenas. Liisa has been involved in over 300 projects in the northwest and beyond providing consulting services, water treatment planning and regulatory expertise. Specific involvement on construction and industrial projects include site inspection, sampling, testing, reporting, treatment system application and design, regulatory review, and project management. Liisa is also involved with the AGC Educational Foundation as an instructor of the Certified Erosion and Sediment Control Lead (CESCL) course.

Zoe Wickline brings a unique blend of scientific and customer focused expertise to the stormwater industry, serving as both the Laboratory Manager and Sales Coordinator for Clear Creek Systems. Her background spans laboratory operations, regulatory compliance, and quality control, alongside strong experience supporting clients, project teams, and field operations. Zoe excels at connecting technical insights with practical, real world solutions, helping clients navigate testing needs and project requirements. Her dual perspective enables her to bridge communication between the lab, sales, and field, ensuring accurate data, exceptional service, and effective project outcomes.

Ashley founded Encore in 2016 wanting to create a company that was focused on providing economical solutions in order to minimize industry’s effects on water quality. Ashley saw a need to look holistically at the whole project from start to finish while being mindful of budgetary and schedule constraints. She builds long lasting relationships with clients and values transparency, integrity, respect, and open communication with everyone she works with. Ashley continues to bring an all-encompassing experience with stormwater management, planning and permitting, erosion control, and restoration. She brings a fresh perspective to her clients when it comes to budgeting, planning, and executing the specific needs of each project. Ashley graduated from Central WA University in 2006 with an undergrad degree in Biology. After she graduated, Ashley went to work in the construction stormwater treatment industry, operating treatment systems and performing erosion and sediment control inspections. From there Ashley focused her career on the construction side, working in underground utilities and the heavy civil industry with an emphasis on project management, estimating and business development. Ashley has a passion for conservation specifically with how the eco-systems and animals all play an important role in the world and how they work together seamlessly. She enjoys spending time showing her horses in cutting, as well as hiking in the mountains with her two labs Gordie and Lola.

Priyal Panchal is a CESCL-certified Environmental Scientist with experience providing environmental consulting services, water treatment planning, and regulatory support for construction and industrial projects throughout the Pacific Northwest. Priyal has worked extensively with the Washington State Department of Ecology, supporting contractors in understanding and navigating construction and industrial stormwater general permits and associated compliance requirements. Priyal’s experience includes regulatory coordination, permit preparation, and implementation of stormwater best management practices to support effective environmental compliance across a wide range of project types.

Kendra is the Construction Stormwater General Permit Writer for the Washington State Department of Ecology. She has been in this role for almost 3 years and with Ecology for 6 years. In this role she implements, provides technical assistance, reissues the CSWGP as well as manages the Certified Erosion and Sediment Control Lead program.

Owen is a civil engineer focusing on stormwater management at industrial facilities. He is well versed in NPDES permit compliance, particularly for the Industrial, Construction, Sand and Gravel general permits as well as individual permits. From NOI to NOT, Owen has assisted clients with all aspects of NPDES permit compliance. He is routinely brought in as a defense expert on citizen suits under the Clean Water Act.

I’ve been working with Ecology for a year and a half now and prior to this role have worked for EPA Region 10 as a Superfund Remedial Project Manager for the state of Washington, a NPDES Permit Writer for Tennessee Department of Environment and Conservation for 3.5 years, Environmental Engineer consultant for GHD, and a Contractor Watershed Representative for the Tennessee Valley Authority. I have a Bachelor of Science in Environmental Engineering Technology and a Minor in Sustainability Studies from Murray State University. I strive to keep a practical, balanced, and protective approach in my career and most importantly, to keep field experience and stay up to date in the latest engineering technologies in the water sector.

Jake Kirschner is an Environmental Project Manager at the Port of Everett and serves as Co-Chair of the Washington Public Ports Association’s Stormwater Work Group. He also serves as President of the Board of Directors for Sound Salmon Solutions; a nonprofit organization focused on habitat restoration and water quality improvements in the Stillaguamish, Snohomish, and South Island County watersheds. At the Port of Everett, Jake manages the Port’s Water Quality Program, which consists of three Industrial Stormwater General Permit regulated seaport facilities totaling over 100 acres in size, a Phase II MS4 permit, a boatyard general permit, and Construction Stormwater General Permits.

Brian Hite is a Project Professional at Geosyntec Consultants with 15 years of experience in surface water and stormwater consulting. He holds an MS in Civil and Environmental Engineering from the University of Washington, with a focus in hydrology, water resources, and fluid mechanics. He has led numerous water quality investigations involving field surveying, environmental sampling, and data analysis. He supports a diverse portfolio of NPDES clients including municipal, industrial, and port facilities across a wide range of receiving waters and stormwater infrastructure systems.

Amy is a Project Engineer at Geosyntec Consultants with 10 years of experience focused on industrial stormwater compliance, stormwater modeling, PFAS, and innovative watershed protection approaches. Her practice in Washington is founded in helping clients navigate ISGP requirements and streamline proactive compliance, often across multiple facilities and regions. Amy holds a BS in Mathematics from Appalachian State University and an MS in Civil and Environmental Engineering from Cal Poly.

Kristine spearheads strategic expansion, leveraging a decade of leadership in environmental consulting. With a focus on water treatment and erosion control, she leads the industrial team, driving turnkey solutions nationwide. Holding a BS in Chemistry from UC Santa Barbara, Kristine is a CPESC and Qualified Stormwater Industrial Practitioner, adept in system development, regulatory compliance, and client management. She is also a former professional rugby player who represented Team USA.

Derek is an environmental Swiss Army knife for folks in heavy industry. He has over a decade of experience working and managing projects associated with permit compliance, design and operation of water treatment systems, due diligence, auditing, completion of remedial actions, and overall environmental program management. He has managed projects for clients in solid waste and recycling, timber and timber products, oil and gas, port and transportation, and multiple other industries.  Outside of work, Derek tries to do as little as possible.

Emma’s practice focuses on advising businesses and local governments on water quality, chemical contamination, and regulatory compliance. Emma works to help clients navigate the complex field of state and federal regulations pertaining to water quality permitting, emerging contaminants, and site remediation.

Amy Jankowiak is the Stormwater Compliance Unit Supervisor for the Department of Ecology out of the Northwest Region office in Shoreline, Washington. Amy supervises a team of eleven inspectors and permit managers ensuring compliance with the Industrial Stormwater, Boatyard, Construction Stormwater, Bridge and Ferry Terminal Maintenance, Hatchery and Winery general permits, as well as vessel discharges. She has a B.S. in Environmental and Natural Resources Policy Studies from Michigan State University and a Master of Jurisprudence with Environmental Regulation from the University of Washington School of Law. Amy grew up in Michigan and has been with Ecology’s Water Quality Program since 2002.

Erika co-chairs the firm’s Water practice and maintains a robust mixed practice of litigation, regulatory, and white-collar defense work focused on water quality matters. Erika’s extensive litigation and appellate experience spans federal and state courts. Her work includes a range of high-stakes state and federal matters at each stage of litigation, including settlement negotiations, mediations, arbitration, discovery, and trial. She has first-chaired numerous arbitrations and trials, and supported large, complex trial teams. Recent successes include negotiating early, highly favorable resolutions of numerous citizen suit actions alleging CWA violations in California and Washington. Erika’s deep regulatory expertise with federal and state wastewater and stormwater requirements, combined with her strong negotiation, litigation, and appellate skills, enables her to help clients achieve successful outcomes in the face of challenging NPDES permit applications or modifications involving unattainable regulatory targets and public scrutiny. She also routinely counsels clients on high-stakes CWA enforcement and compliance matters, adeptly foreclosing enforcement escalation, and successfully negotiating penalty reductions.

Ariel Mosbrucker is a Senior Water Resources Engineer with nearly 10 years of experience focused on characterizing and improving water quality with an emphasis on regulatory compliance, collection of representative data, stormwater treatment, permit development, and water quality assessment. Ariel is intimately familiar with the Washington ISGP and Oregon 1200-Z permits, having worked with clients from all over the Pacific Northwest ranging from small-acreage single outfall sites to some of the largest ISGP sites in Washington. Ariel strives to stay abreast of changing permit requirements in the Northwest and throughout the country, and has worked collaboratively with multiple state and federal agencies to resolve complex regulatory questions.

John is a senior consultant leading the Seattle Surface Water Group at Parametrix. He has over twenty years of experience in planning, design, and management for civil engineering projects, programs, and utilities. As a consultant, he brings valuable perspective from many years in the public sector as a surface water and wastewater utility manager. His experience includes planning, engineering, and operations functions: master planning, regulatory compliance, capital program management, system inspections and maintenance, asset management, water quality monitoring, and public education and engagement. John’s experience includes managing all aspects of complex capital projects involving hydraulic engineering within stream and stormwater systems. His project experience includes dam removal, culvert replacement, habitat restoration, erosion repair/stabilization, flood reduction, revetment replacement, daylighting, and aging/failing streamflow conveyance infrastructure.

At Washington State Department of Ecology, Abbey is the municipal stormwater team lead and the Phase II Municipal Stormwater permit writer for the state.

For well over a decade Blair has worked in the stormwater management field, both in the Seattle area and in Brisbane Australia. Blair is currently working for King County on surface water quality policy, stormwater retrofit projects, and the implementation of NPDES Municipal Stormwater permit requirements. He is passionate about working with communities and taking a collaborative, multidisciplinary approach to managing surface water quality.

Christian Nilsen is a Principal Engineer at Geosyntec Consultants in Seattle. His work bridges environmental engineering and technology, helping agencies and communities use data-driven tools to better understand and manage their water systems, watersheds, and the ecosystems they support. Christian has served on technical advisory committees and workgroups for the Washington Department of Ecology and the Washington Governor’s Office.

Peter is the Watershed Planner for the City Redmond. He over 25 years of experience working on salmon conservation and stormwater management. He has a Master of Public Administration from the University of Washington’s Evan School and a Masters of Environmental Studies from the Evergreen State College. When not working, he wanders in wild places and works to restore his land on Whidbey Island.

Theo has 25 years of experience in drainage and surface water design and analysis that has proven invaluable on many recent urban infrastructure projects for clients in the Pacific Northwest. His experience includes site civil projects with hydrologic and hydraulic analysis, stormwater retrofits, flow control and water quality treatment retrofits, and regional stormwater facility design.

Julie is in her 26th year as a water resource engineer and employee-owner of Parametrix. She specializes in NPDES compliance, watershed planning, NEPA/SEPA environmental impact assessments, and floodplain studies; and in a past life was an enforcement agent for the U.S. EPA. Julie has extensive experience with comprehensive planning and land-use analyses for water resource impact evaluation and protection. In her free time, she loves attending her daughter’s dance performances, appreciating the Seattle punk rock community, and enjoying all the natural resources Washington State has to offer.

James Patton, PE is a senior stormwater engineer with the City of Olympia. His 30-year career began in the Peace Corps, where he calculated the number of donkey-days needed to bring sand from a river to a proposed water tank. James was active in recent discussions about whether rooftop dog runs should be routed to sewer or storm drains. James has designed some large, expensive projects that are almost invisible after construction. Currently, James studies drawings, mostly of buildings and parking lots, and patiently explains to homeowners, builders, and fellow engineers in the community that water flows downhill. While doing this, James realized that if we want buildings to be closer together, then we will have to have bigger pipes and put the ponds in different places.

Nicole is the Planning Director for the Department of Community Planning and Economic Development within the City of Olympia. She has been at the City for 10 years and a planner for 22 years. Her specialty lies in environmental regulations and shoreline permitting. Her initial pursuits into environmental regulations were spurred by a desire to protect the environment from urban sprawl. While this remains a core value; it is unlikely that youthful Nicole would ever believe that her favorite part of the work would actually be helping people develop their properties. She finds it delightful when urban development and environmental protection can both be achieved.

Kelli Jones is the Surface Water Manager and a licensed civil engineer at the City of Kirkland. She has more than 17 years of experience in the design, implementation, and management of stormwater programs and projects. Kelli has a diverse array of experience, including watershed and retrofit planning, stormwater infrastructure design, resolving complex flooding issues, and water quality improvement. In addition to her technical expertise, she is knowledgeable about the NPDES Phase II permit and has managed a team of staff to implement projects and programs to achieve compliance with the permit. She is excited about creating community based, innovative, and sustainable stormwater management solutions that balance infrastructure needs with environmental stewardship.

Adam Tycaster is a marketing and business development professional dedicated to the environmental sector.

Jeff Kray, managing partner at Marten Law, LLP, is an accomplished environmental litigator with more than 30 years experience in water quality, water resources, and complex environmental matters. He has extensive expertise in Clean Water Act permitting and compliance, CERCLA remediation, and emerging contaminants, including PFAS. Jeff regularly advises businesses, local governments, and property owners on permitting, compliance, cost recovery, and water rights transactions. He is a frequent speaker and writer on environmental law, policy, and litigation, and has held leadership roles within the ABA’s Section on Environment, Energy, and Resources.

Dr. Thomas Igou is Director of Innovation for WaterTectonics, an Everett, Washington. At WaterTectonics, Dr. Igou oversees internal R&D, collaborations, and first-article technology development, leveraging his extensive background in water and wastewater treatment research programming.

Tom is a Scientist at Geosyntec based in Portland, Oregon. He is a PFAS subject matter expert with three years of consulting experience, supported by more than eight years of academic and federal research in soil science, ecosystem restoration, and remediation. Tom has contributed to projects funded by the US Departments of Defence, Energy, and Agriculture, and his current practice areas focus on PFAS fate and transport, site history forensics, PFAS chemistry, and litigation support.

With over 25 years of experience, Christine brings deep technical expertise combined with a proven ability to lead large, operationally complex, environmental infrastructure and compliance programs. Her work spans the full lifecycle of development across industrial facilities including the design, construction oversight, and O&M of water treatment systems. Christine has managed high-profile, multi-party remediation efforts at large and highly regulated RCRA sites under the jurisdiction of the U.S. EPA, state agencies, tribal governments, and local municipalities. She is experienced in coordinating diverse stakeholders, navigating complex regulatory frameworks, and driving alignment across agencies, consultants, contractors, and facility operations teams. Ms. Nancarrow has co-authored 3 technical papers regarding in-situ remediation of heavy metals in groundwater, received 3 Exceptional Performance Awards from her prior work on the Boeing Remediation Program in California.

Jenée Colton is an ecotoxicologist who has worked in academia, consulting and government over the last 30 years. She is now a supervisor of a group of scientists at King County who assist utility and natural resource manager in understanding toxic chemicals in our systems and their effects on the environment. Recently, she has been working on stormwater treatment and strategic planning for 6PPDQ and other chemicals.

Shelby Giltner is an Environmental Engineer with the Washington State Department of Ecology’s 6PPD Team, where she focuses on stormwater Best Management Practice (BMP) effectiveness studies. Shelby holds a B.S. in Biology from the University of Oregon and an M.S. in Environmental Science and Engineering from the Colorado School of Mines. Her work contributes to advancing the understanding and implementation of effective stormwater management strategies in the state of Washington.

Jen Hartke has been a part of the Snoqualmie Indian Tribe’s Environmental and Natural Resources (ENR) Department for the past five years. We take an active role in our watersheds to ensure clean water for our environment and future generations. In 2024 we conducted a 6PPD study to test current best management practices (BMP’s) that the Tribe has in place for stormwater treatment and determine mitigation strategies for stormwater impacts.

Allyn is the Managing Principal of Beveridge & Diamond’s Seattle office. Her experience as former Regional Counsel at EPA Region 10 informs her deep policy, regulatory, and enforcement knowledge. In Region 10, Allyn supervised and developed strategy to defend Clean Water Act litigation challenging water quality standards, TMDLs, and NPDES permits. She helps clients comply with an array of environmental requirements under water, waste, and air regulations. Allyn also helps clients work effectively with regulators, drawing on her 30 years of agency experience.

Paul Caswell is a Principal Engineer at Hazen and Sawyer with eight years of experience specializing in stormwater green infrastructure design and regulatory compliance. He works closely with municipalities to navigate regulatory challenges and integrate green infrastructure solutions that support effective watershed management.

Richard joined Beveridge & Diamond PC in 1981 and has practiced Clean Water Act law there ever since. His work includes rulemaking; permitting, including an NPDES permit appeal that recently was successfully resolved by the U.S. Supreme Court; enforcement defense; and strategic counseling. His clients include traditional industrial concerns and industry trade associations; logistics companies; large retailers; major participants in both the online and digital economies; and, in substantial measure, municipal storm water and wastewater utilities.